Ghofrane EZZINE is an experienced engineer specializing in metrology and qualification, currently employed at SAIPH since July 2019. Responsibilities include planning calibration work, monitoring measurement instruments, qualifying HVAC systems, validating sterilization processes, and developing qualification protocols and reports. Prior experience includes a trainee position at Société des isotopes radioactifs (SISORA) focused on establishing an equipment management system compliant with ISO 9001/17025 standards, as well as internships at LCAE, where physical-chemical analyses of wastewater and clean water were conducted, and at ASTRAL, which involved managing R&D laboratory equipment and performing analyses on paint products. Ghofrane EZZINE holds a degree in analytical chemistry and instrumentation from the Faculté des Sciences Mathématiques, Physiques et Naturelles de Tunis and a preparatory degree in mathematics and physics from Ecole supérieure des sciences technologiques, Hammam Sousse.